1They on working until they get what they think is reasonable.Awill go Bwon't go Cgo Ddon't go怎么判断这里应该用什么时态?2His father the Party since 1980.Ajoined Bhas joined Chas been Dhas been in这里是选B,可是join不是短暂性

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1They on working until they get what they think is reasonable.Awill go Bwon't go Cgo Ddon't go怎么判断这里应该用什么时态?2His father the Party since 1980.Ajoined Bhas joined Chas been Dhas been in这里是选B,可是join不是短暂性

1They on working until they get what they think is reasonable.Awill go Bwon't go Cgo Ddon't go怎么判断这里应该用什么时态?2His father the Party since 1980.Ajoined Bhas joined Chas been Dhas been in这里是选B,可是join不是短暂性
1They on working until they get what they think is reasonable.
Awill go Bwon't go Cgo Ddon't go
怎么判断这里应该用什么时态?
2His father the Party since 1980.
Ajoined Bhas joined Chas been Dhas been in
这里是选B,可是join不是短暂性动词吗?
3Where is Mr.Green now?I haven't seen him for a few days.
Awent B has been in Chas been to Dhas gone to
这道题选B,选D为什么错?
第三题还差了点东西
还有个答句：He Hongkong for a week

1They on working until they get what they think is reasonable.Awill go Bwon't go Cgo Ddon't go怎么判断这里应该用什么时态?2His father the Party since 1980.Ajoined Bhas joined Chas been Dhas been in这里是选B,可是join不是短暂性
1选B 主将从现 从句是一般现在是主句就是一般将来时.
2has joined不是完成时态,has been joined才算是完成时态 选D吧
3题目不完整 但知道你的意思
比如答句是 He _________ to the USA for 2days.
如果是这种的话就不能用has gone to了 去美国这个动作不能持续2天 所以要用has been in

1 not 。。。until 从意思看还没有得到合理的东西，所以将不再继续工作 选b
2 应该选d
3 题目不全，只能猜测。 回答要和for a few days相一致，这几天在哪里，所以b

ABC

They went on working是什么意思 They carried on working though they were very tired They aren't working now.They are on ______. They're working hard on the field改为感叹句 They're working hard on the field改为感叹句 They all are working hard on the farm 改错 It is raining hard.H_______,they go on working. tthough it was late,they kept on working They went on working after ten minutes_____一词 after a rest,they( )( )working on the experiment. It israining hard.H( ),they go on working. Although it was late ,but they went on working.改错 they like working on a farm否定句 After they had a rest,they went on ___A.to work B.working为什么? they are still working on it .这个介词on是干什么的 they went on working though it was dark .的同义句,谁会了,It was dark ____ they went on working . They are working They have a difficult time (to work /working) it on .到底用哪个?请说明理由!